204480720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:850

約数の個数: 160

約数和(自身を含む): 710490240

約数和(自身を除く): 506009520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 137, 144, 180, 216, 240, 270, 274, 360, 411, 432, 540, 548, 685, 691, 720, 822, 1080, 1096, 1233, 1370, 1382, 1644, 2055, 2073, 2160, 2192, 2466, 2740, 2764, 3288, 3455, 3699, 4110, 4146, 4932, 5480, 5528, 6165, 6219, 6576, 6910, 7398, 8220, 8292, 9864, 10365, 10960, 11056, 12330, 12438, 13820, 14796, 16440, 16584, 18495, 18657, 19728, 20730, 24660, 24876, 27640, 29592, 31095, 32880, 33168, 36990, 37314, 41460, 49320, 49752, 55280, 59184, 62190, 73980, 74628, 82920, 93285, 94667, 98640, 99504, 124380, 147960, 149256, 165840, 186570, 189334, 248760, 284001, 295920, 298512, 373140, 378668, 473335, 497520, 568002, 746280, 757336, 852003, 946670, 1136004, 1420005, 1492560, 1514672, 1704006, 1893340, 2272008, 2556009, 2840010, 3408012, 3786680, 4260015, 4544016, 5112018, 5680020, 6816024, 7573360, 8520030, 10224036, 11360040, 12780045, 13632048, 17040060, 20448072, 22720080, 25560090, 34080120, 40896144, 51120180, 68160240, 102240360, 204480720]

約数ペア:

[(1, 204480720), (2, 102240360), (3, 68160240), (4, 51120180), (5, 40896144), (6, 34080120), (8, 25560090), (9, 22720080), (10, 20448072), (12, 17040060), (15, 13632048), (16, 12780045), (18, 11360040), (20, 10224036), (24, 8520030), (27, 7573360), (30, 6816024), (36, 5680020), (40, 5112018), (45, 4544016), (48, 4260015), (54, 3786680), (60, 3408012), (72, 2840010), (80, 2556009), (90, 2272008), (108, 1893340), (120, 1704006), (135, 1514672), (137, 1492560), (144, 1420005), (180, 1136004), (216, 946670), (240, 852003), (270, 757336), (274, 746280), (360, 568002), (411, 497520), (432, 473335), (540, 378668), (548, 373140), (685, 298512), (691, 295920), (720, 284001), (822, 248760), (1080, 189334), (1096, 186570), (1233, 165840), (1370, 149256), (1382, 147960), (1644, 124380), (2055, 99504), (2073, 98640), (2160, 94667), (2192, 93285), (2466, 82920), (2740, 74628), (2764, 73980), (3288, 62190), (3455, 59184), (3699, 55280), (4110, 49752), (4146, 49320), (4932, 41460), (5480, 37314), (5528, 36990), (6165, 33168), (6219, 32880), (6576, 31095), (6910, 29592), (7398, 27640), (8220, 24876), (8292, 24660), (9864, 20730), (10365, 19728), (10960, 18657), (11056, 18495), (12330, 16584), (12438, 16440), (13820, 14796)]